Sometimes it is more important that a decision be right, than that you make it.
When you don't have to make a decision now, procrastinate.
If you don't have a decision to make, don't make a decision.
If others have better knowledge for making a decision, defer to their expertise.
If others are better at the analysis for making a decision, defer to their expertise.
If others are wiser, defer to their wisdom.
Know your abilities as compared with those of others.
Some decisions must be made in ignorance;
Some decisions must be made not knowing the probabilities involved;
Some decisions can be made after odds have been calculated;
And of course, some decisions are easy.
If you have to make a decision, see if you can move down the above list.
Some decisions are hard in that we don't even know how they should be framed. Good luck!
We don't always know what we don't know.
We don't always know what is important to the outcome of a decision.
Some of the worst decisions are made neglecting to take into account something that is important, but the decision maker did not realize it was important.
Arrogance is the enemy of good decision making.
People often overestimate their ability to make decisions well.
Really big decisions are likely to be really hard to analyze.
Framing is important; good framing leads to good decision processes and to improve decisions.
Simplistic framing leads to simplistic decisions, that often prove costly.
Excessively complex framing can lead to major difficulties in analysis and thus to poor decisions.
Really hard decision problems may be those in which the information is not available to frame the decision, or to frame it adequately.
Many bad decisions can be traced to badly made frames.